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Keywords: labyrinth seal
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Proceedings Papers

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A007, June 7–11, 2021
Paper No: GT2021-58736
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-58736 NUMERICAL MODEL FOR CONDENSING STEAM THROUGH LABYRINTH SEAL Ravindra G. Devi Satyanarayanan Vittorio Michelassi Baker Hughes Seshadri Baker Hughes Bangalore...
Proceedings Papers

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A021, June 7–11, 2021
Paper No: GT2021-60106
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-60106 EFFECTS OF INCREASED TOOTH CLEARANCE ON THE PERFORMANCE OF A LABYRINTH SEAL WITH OIL-RICH BUBBLY LAMINAR FLOW Min Zhang1, Dara W. Childs2 1Praxair, Inc...
Proceedings Papers

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A016, June 7–11, 2021
Paper No: GT2021-59371
.... The outcome was satisfactory both in terms of leakage and rotordynamic coefficients. hybrid seal balance piston seal honeycomb seal labyrinth seal Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59371 A NOVEL...
Proceedings Papers

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A009, June 7–11, 2021
Paper No: GT2021-58893
... rotor side surface Labyrinth seals are used in the clearance between rotor and by PSP is extremely challenging because of its high peripheral speed. The back side illumination measurement technique has stator such as steam turbines and centrifugal compressors in been developed and applied in this study...
Proceedings Papers

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A010, June 7–11, 2021
Paper No: GT2021-58956
... the quantification using a computational fluid dynamics (CFD) model, the paper of performance while varying the SB geometry and inlet swirl condition. details a process to engineer a SB upstream of a sixteen-tooth labyrinth seal (LS) with tip clearance Cr = 0.203 mm. The Keywords: Swirl Brake, Computational Fluid...
Proceedings Papers

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A011, June 7–11, 2021
Paper No: GT2021-58958
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-58958 AN ANALYTICAL TWO-PHASE FLOW MODEL FOR PREDICTION OF LEAKAGE IN WET GAS LABYRINTH SEALS AND POCKET DAMPER SEALS. IS SIMPLICITY STILL DESIRED? Jing Yang1, Luis...
Proceedings Papers

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A020, September 21–25, 2020
Paper No: GT2020-15563
... cavern downstream labyrinth seal where pressure wave and surface displacement speed wave are close to synchrony. Probable excitation mechanisms were described and discussed. It was demonstrated that aeroelastic instability of the same type as it was in the engine conditions can be reproduced in the test...
Proceedings Papers

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A003, September 21–25, 2020
Paper No: GT2020-14155
.... Takasago, Hyogo, Japan ABSTRACT Destabilization forces in labyrinth seals can cause subsynchronous vibration and many researchers have investigated the destabilization force under full admission (FA). It is known that partial admission (PA) can increase rotor instability, but there is little knowledge...
Topics: Brakes
Proceedings Papers

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A007, September 21–25, 2020
Paper No: GT2020-14267
...Abstract Abstract The labyrinth seal is one of the most popular non-contact annular seals used in centrifugal compressors to improve machine efficiency by reducing the secondary flow leakage. Reducing the radial clearance C r can effectively decrease the seal’s leakage and therefore increase...
Proceedings Papers

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A008, September 21–25, 2020
Paper No: GT2020-14268
...Abstract Abstract With the increasing demand of the oil & gas industry, many pump companies are developing multiphase pumps, which can handle liquid-gas flow directly without separating the liquid from a mixed flow. The see-through labyrinth seal is one of the popular types of non-contact...
Proceedings Papers

Proc. ASME. GT2012, Volume 5: Manufacturing Materials and Metallurgy; Marine; Microturbines and Small Turbomachinery; Supercritical CO2 Power Cycles, 703-712, June 11–15, 2012
Paper No: GT2012-69017
...: Rotordynamics, micro-turbomachinery, oil- free, foil bearing, centrifugal compressor, expander / expansion turbine / turbo-expander, hole-pattern seal, labyrinth seal, stability analysis, seal taper sensitivity analysis 1 INTRODUCTION 1.1 Background The hydrocarbon recovery in some oil fields is limited due...
Proceedings Papers

Proc. ASME. GT2012, Volume 5: Manufacturing Materials and Metallurgy; Marine; Microturbines and Small Turbomachinery; Supercritical CO2 Power Cycles, 753-766, June 11–15, 2012
Paper No: GT2012-69119
... of the machine at the maximum speeds required by the aerodynamic performance test matrix (110% of the designed operating speed). Various rotordynamic analyses investigated the effects of hole-pattern and labyrinth seals on stability, including a hole-pattern seal taper sensitivity study and the effect of higher...
Proceedings Papers

Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 921-930, June 14–18, 2010
Paper No: GT2010-22069
... 11 01 2011 As labyrinth seals with honeycomb facings become more usual, the present paper reveals part of the honeycomb parameters which have an influence on the temperature drop across the seal and the temperature distribution along the rotor and the stator. Numerical and first...
Proceedings Papers

Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 1387-1396, June 9–13, 2008
Paper No: GT2008-50257
... impact on the dynamic stability of turbomachines. brush seal labyrinth seal swirl steam turbine CFD porosity modeling Proceedings of ASME Turbo Expo 2008: Power for Land, Sea and Air GT2008 June 9-13, 2008, Berlin, Germany GT2008-50257 1 Copyright © 2008 by ASME the efficiency of both...
Proceedings Papers

Proc. ASME. GT2008, Volume 4: Heat Transfer, Parts A and B, 1613-1620, June 9–13, 2008
Paper No: GT2008-51024
... 04 08 2009 Design improvements on labyrinth seal teeth and a honeycomb land are examined by three-dimensional CFD numerical modeling of the flow field. The only objective is reduction of the total leakage through the new seal. CFD assumptions and analysis was validated by comparison...
Proceedings Papers

Proc. ASME. GT2008, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Manufacturing, Materials and Metallurgy; Microturbines and Small Turbomachinery, 123-132, June 9–13, 2008
Paper No: GT2008-50771
... published experimental data and computational results. An example of implementation in an engine model is also presented. secondary air system orifice discharge coefficient rotating cavity pre-swirl system labyrinth seal performance Proceedings of ASME Turbo Expo 2008: Power for Land, Sea...
Proceedings Papers

Proc. ASME. GT2006, Volume 3: Heat Transfer, Parts A and B, 1483-1493, May 8–11, 2006
Paper No: GT2006-90690
... 11 09 2008 The objective of this study was to develop a Computational Fluid Dynamics (CFD) based methodology to obtain the flow characteristics of worn and unworn labyrinth seals which will be applicable over a wide range of seal geometries. In this paper, we present a process...